Research Article
A Study on the Flexural Behaviour of Geopolymer Lightweight Eco-Friendly Concrete Using Coconut Shell as Coarse Aggregate
Table 2
Mix proportion of GPCSC and GPCC.
| | Mix types | Mix proportions | Binder | Fine aggregate | Coarse aggregate | Alkaline activator | | GGBS (kg/m3) | M-sand (kg/m3) | CS (kg/m3) | CSA (kg/m3) | NaOH solution (ml/m3) | Na2SiO3 (ml/m3) |
| | GPCSC | 1 : 2.53 : 1.05 | 420 | 1064 | 443 | — | 46 | 228 | | GPCC | 1 : 4.15 : 3.56 | 282 | 1172 | — | 1004 | 31 | 152 |
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ml: millilitre.
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